document.write( "Question 536281: There are approximately 2 lbs of muscle for every 5 lbs of body weight of a certain animal. For a 140-lb animal, how much of the weight is muscle? \n" ); document.write( "

Algebra.Com's Answer #352234 by fcabanski(1391) $\"\"$ $\"About$

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Use a ratio. $\"muscle%2Fweight\"$

\n" ); document.write( " $\"2%2F5+=+x%2F140\"$

\n" ); document.write( "Cross multiply.

\n" ); document.write( " $\"5x=280\"$

\n" ); document.write( "Divide both sides by 5

\n" ); document.write( " $\"x=56\"$
\n" ); document.write( "

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